Tagged Questions

We need a high precision (1ms) clock synchronization across multiple machines which are part of the domain. The idea is to use a PTP solution.
Is it possible to setup a computer which is part of the ...

I have a Windows Server 2003 DC SP2 that is precisely 32 minutes slow. It is the only DC in the domain. The server is set to query tock.usno.navy.mil.
My google fu sadly has failed.
Any suggestions?
...

I am running a standalone (not in a domain) Windows Server 2012 instance in EC2. For purpose of a simulation, I would like to set system clock to particular dates in the past. I performed change by ...

We have a PTP Grandmaster clock which we will be using on a dedicated network for PTP time synchronization. It is necessary for us to use a switch to distribute the signal to multiple clients. Does ...

I'm looking for advice setting up time servers for a very non-typical network. I support many closed networks that have occasional access to the internet. A network would get access most days for a ...

I am attempting to synchronize the date and time for a number of computers belonging to a non-domain, statically configured network (e.g. computer B in illustration) with a node which is residing in a ...

I've read this nice article from Gareth Hooper regarding Domain Controller syncing to external time sources. In essence, he wrote that although Microsoft don't actually condone the practice, it's a ...

Using Ubuntu 12.04 VM's built last year on Azure. They only seem to get proper time on boot, and drift about a second a day. Is this a normal issue for Azure VM's? I know VM time drift is normal but ...

I have 2 NTP servers (AD 2003 machines) and some ESXi hosts, which are configured to sync time from these 2 servers. I found the time is not in sync between these hosts and servers. And time in each ...

Question
We need to create an ntp server that syncs against other ntp servers but gives its client a modified utc.
For example, it will receive utc 5:17 pm but it's clients will receive utc 7:17pm.
...

I am having a problem with the time on my VPS hosted at Rackspace. Its running Red Hat Enterprise Linux 5.4. Date commands gives a time which is 11 minutes ahead of the actual time.
I am running ntpd ...

I have several ExtraSmall-sized Azure VMs (PaaS / Cloud Service based) that are all experiencing drifting of the Windows clock. Research showed that this is quite common, especially in VMs with shared ...

Nomarlly, virtual machine get time from host, but when vsphere using VMotion to change virtual machine to new host. What's time of virtual machine when it in new host ? Old host time ? new host time ? ...

I have a few Debian XEN virtual machines and upgraded them to wheezy(I need the 3.2 kernel for a project). Everything was okay until I rebooted on of the machines.
My current problem is, that ntpdate ...

I have a few dedicated servers and for some reason they are totally unable to mantain the time properly synchronized, every few days they start having differences of minutes in the clock. So I have to ...

I have a DC server that runs a network of about 20 computers. This is also the DC and pushes out the time to all the client computers.
However the time on the server is 10 minutes fast and is causing ...

I have installed Ubuntu server 12.04 as a KVM host, and created an Ubuntu guest that is also running Ubuntu server 12.04. The servers are in the AST time zone which is UTC + 3 hours. After setting the ...

I'm currently experiencing an issue that has baffled me for the past few days as none of my searches here or google yielded in any positive results.
Our current environment has 19 sites with as many ...

I am running ntp update , one after one (with sec between them),
In the log i see that there is always an offset , even if update was run few sec ago.
Why is that?Is there a chance to get 0 offset?
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Good morning,
We have domain controller on windows server 2003 and another windows 2003 servers with terminal server and DB and regular workstations. Today in Israel we returned back to winter time ...

In an EC2 instance (Xen Virtualized) is it possible to disable time sync on a Guest VM by Host VM.
I found that it can be done on Linux instance by modifying xen.independent_wallclock=1
Is there any ...

I have hyper-v virtual machine with Centos OS. My system time is always an hour ahead. I tried disabling the time sync in Hyper-V VM settings but to no avail. As I can see, the hardware time is ok..
...

I've got a CentOS VM (release 6.2) running under HyperV. I have integration services installed (part of base now), and CentOS shows the current clocksource is hyperv_clocksource, however my time in ...

I know the best practice would be to have the PDC Emulator to sync against an external NTP time source, and have all other domain controllers sync against the PDC Emulator.
However, my network layout ...